What does "end-tidal" mean?

Of or relating to the last part of air exhaled from the lungs at the end of an exhalation breath, having the highest concentration of carbon dioxide (CO2).

End-tidal

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Of or relating to the last part of air exhaled from the lungs at the end of an exhalation breath, having the highest concentration of carbon dioxide (CO2). not-comparable

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.